X-Git-Url: http://nitlanguage.org

diff --git a/lib/md5.nit b/lib/md5.nit
index 3fee2f8..037c03d 100644
--- a/lib/md5.nit
+++ b/lib/md5.nit
@@ -500,15 +500,15 @@ redef class Text
 	fun md5: String do return to_cstring.native_md5.to_s
 end
 
-redef class NativeString
-	private fun native_md5: NativeString `{
+redef class CString
+	private fun native_md5: CString `{
 		md5_state_t state;
 		md5_byte_t digest[16]; /* result */
 		char *hex_output = malloc(33*sizeof(char));
 		int di;
 
 		md5_init(&state);
-		md5_append(&state, (const md5_byte_t *)self, strlen(self));
+		md5_append(&state, (const md5_byte_t *)self, (int)strlen(self));
 		md5_finish(&state, digest);
 
 		for (di = 0; di < 16; ++di)